What does the first frost mean?

Although the first frost means frosting, the weather situation in China is more complicated because of the wide latitude distribution. The national average temperature before and after the first frost is 10℃-20℃, and the highest temperature cities are Sanya, Beihai and Fuzhou, with an average temperature of around 25℃. The cities with the lowest temperature are Harbin, Changchun, Yinchuan and Hohhot, and the average temperature is around 1℃.

Therefore, when the first frost comes, even the city with the hottest first frost will not make people feel hot. The southern region generally feels comfortable, and some areas in the north have entered cold weather.

The first frost is very cold, the first frost is very cold. The temperature has dropped to a few degrees, and it is not far from snowing. It won't cool down at once, but it will cool down slowly.

One of the 24 solar terms of the first frost, the weather is getting colder and frosty. The first frost is generally solar calendar1when the sun reaches 2 10 degrees on October 23, it is the first frost in the 24 solar terms. The first frost is the last solar term in autumn, which is the transition from autumn to winter. There is a lot of heat dissipation on the ground in autumn, and the temperature suddenly drops below 0 degrees. Water vapor in the air directly condenses on the ground or plants to form fine ice needles, and some become hexagonal frost flowers, which are white and loose in structure.